Refrigerator



FIG. 1 is a front/right-side/top perspective view of a refrigerator showing our new design;

FIG. 2 is a front-side elevational view thereof;

FIG. 3 is a rear-side elevational view thereof;

FIG. 4 is a left-side elevational view thereof;

FIG. 5 is a top-side elevational view thereof;

FIG. 6 is a bottom-side elevational view thereof; and,

FIG. 7 is a perspective view thereof, the doors shown in an open position.

The broken line showing is included for the purpose of illustrating and forms no part of the claimed design. 

CLAIM We claim the ornamental design for a refrigerator, as shown. 